location ~ baidu_urls.txt {
        expires      30m;
    }

    location ~ atom.xml {
        expires      5m;
    }

    location ~ sitemap.xml {
        expires      30m;
    }

    location ~ rss2.xml {
        expires      5m;
    }

    location ~ .*\.(shtm|html|htm)$ {
        expires      3m;
    }

    location ~ .*\.(php|aspx|asp|jsp|do|dwr|cgi|fcgi|action|ashx|axd|json)$ {
        expires      -1s;
    }

    location ~ .*\.(js|css|gif|png|bmp|ico|jpeg|txt|swf|mp3|apk|ipa|flv|wma|wav|mp4|mov|mpeg|rm|avi|wmv|mkv|vob|rmvb|asf|mpg|ogg|m3u8|ts|mid|midi|3gp|jpg|webp|psd|tif|tiff|svg|svgz|iso|img|exe|zip|rar|7z|gz|tar|dmg|manifest|cab|bin|msi|doc|pdf|csv|ppt|docx|xlsx|xls|pptx|ttf|chm|woff|ps|class|jar|woff2|jiff)$ {
        expires      30d;
    }

    location / {
        expires      30d;
    }